Be nice, this is my first attempt at filing a bug report ever :) gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/bin/../libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ./configure --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --prefix=/home/suigintou/usr --enable-lto --with-mpfr=/home/suigintou/usr --with-gmp=/home/suigintou/usr --with-mpc=/home/suigintou/usr --with-ppl=/home/suigintou/usr --with-cloog=/home/suigintou/usr --with-libelf=/home/suigintou/usr --enable-__cxa_atexit --enable-threads=posix --enable-languages=c,c++ --disable-libstdcxx-pch --disable-bootstrap --enable-clocale=gnu --disable-multilib Thread model: posix gcc version 4.6.0 20100824 (experimental) (GCC) In coreutils-8.5/src, I type "make head", but this happens: CC head.o head.c: In function 'string_to_integer': head.c:870:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make: *** [head.o] Error 1 Verbose... make head V=2 /home/suigintou/bin/gcc -B /home/suigintou/lib -L/home/suigintou/lib -I /home/suigintou/include -I /home/suigintou/usr/include -std=gnu99 -I. -I../lib -I../lib -pipe -U_FORTIFY_SOURCE -fno-stack-protector -Os -march=native -msse -msse2 -msse3 -msse4 -msse4.1 -msse4.2 -mssse3 -mtune=core2 -fomit-frame-pointer -funroll-loops -floop-interchange -floop-strip-mine -floop-block -floop-parallelize-all -ftree-parallelize-loops=4 -MT head.o -MD -MP -MF .deps/head.Tpo -c -o head.o head.c head.c: In function 'string_to_integer': I was experimenting with graphite and other optimizations. Silly CFLAGS settings aside, I narrowed the cause down to that "-Os" flag. Gets the same problem if I use -O2 or -O3, but not if I use -O1 or -O0.
I'm unsure exactly how to get the preprocessed output required... I ran: "/home/suigintou/bin/gcc -B /home/suigintou/lib -L/home/suigintou/lib -I /home/suigintou/include -I /home/suigintou/usr/include -std=gnu99 -I. -I../lib -I../lib -pipe -U_FORTIFY_SOURCE -fno-stack-protector -Os -march=native -msse -msse2 -msse3 -msse4 -msse4.1 -msse4.2 -mssse3 -mtune=core2 -fomit-frame-pointer -funroll-loops -floop-interchange -floop-strip-mine -floop-block -floop-parallelize-all -ftree-parallelize-loops=4 -MT head.o -MD -MP -MF .deps/head.Tpo -c -o head.o head.c -save-temps -v" and got this output: gcc: warning: -pipe ignored because -save-temps specified Using built-in specs. COLLECT_GCC=/home/suigintou/bin/gcc COLLECT_LTO_WRAPPER=/usr/bin/../libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ./configure --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --prefix=/home/suigintou/usr --enable-lto --with-mpfr=/home/suigintou/usr --with-gmp=/home/suigintou/usr --with-mpc=/home/suigintou/usr --with-ppl=/home/suigintou/usr --with-cloog=/home/suigintou/usr --with-libelf=/home/suigintou/usr --enable-__cxa_atexit --enable-threads=posix --enable-languages=c,c++ --disable-libstdcxx-pch --disable-bootstrap --enable-clocale=gnu --disable-multilib Thread model: posix gcc version 4.6.0 20100824 (experimental) (GCC) COLLECT_GCC_OPTIONS='-B' '/home/suigintou/lib' '-L/home/suigintou/lib' '-I' '/home/suigintou/include' '-I' '/home/suigintou/usr/include' '-std=gnu99' '-I.' '-I../lib' '-I../lib' '-pipe' '-U_FORTIFY_SOURCE' '-fno-stack-protector' '-Os' '-msse' '-msse2' '-msse3' '-msse4' '-msse4.1' '-msse4.2' '-mssse3' '-mtune=core2' '-fomit-frame-pointer' '-funroll-loops' '-floop-interchange' '-floop-strip-mine' '-floop-block' '-floop-parallelize-all' '-ftree-parallelize-loops=4' '-MT' 'head.o' '-MD' '-MP' '-MF' '.deps/head.Tpo' '-c' '-o' 'head.o' '-save-temps' '-v' '-pthread' /usr/bin/../libexec/gcc/x86_64-pc-linux-gnu/4.6.0/cc1 -E -quiet -v -I /home/suigintou/include -I /home/suigintou/usr/include -I. -I../lib -I../lib -iprefix /usr/bin/../lib/gcc/x86_64-pc-linux-gnu/4.6.0/ -MD head.d -MF .deps/head.Tpo -MP -MT head.o -D_REENTRANT -U_FORTIFY_SOURCE head.c -march=core2 -mcx16 -msahf -mpopcnt -msse4.2 -msse -msse2 -msse3 -msse4 -msse4.1 -msse4.2 -mssse3 -mtune=core2 -std=gnu99 -fno-stack-protector -fomit-frame-pointer -funroll-loops -floop-interchange -floop-strip-mine -floop-block -floop-parallelize-all -ftree-parallelize-loops=4 -Os -fpch-preprocess -o head.i ignoring nonexistent directory "/usr/bin/../lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../x86_64-pc-linux-gnu/include" ignoring duplicate directory "/usr/bin/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/4.6.0/include" ignoring duplicate directory "/usr/bin/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/4.6.0/include-fixed" ignoring nonexistent directory "/usr/bin/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../x86_64-pc-linux-gnu/include" ignoring duplicate directory "/usr/include" ignoring duplicate directory "/home/suigintou/include" as it is a non-system directory that duplicates a system directory ignoring duplicate directory "/home/suigintou/usr/include" as it is a non-system directory that duplicates a system directory ignoring duplicate directory "../lib" #include "..." search starts here: #include <...> search starts here: . ../lib /usr/bin/../lib/gcc/x86_64-pc-linux-gnu/4.6.0/include /usr/bin/../lib/gcc/x86_64-pc-linux-gnu/4.6.0/include-fixed /usr/local/include /usr/bin/../lib/gcc/../../include End of search list. COLLECT_GCC_OPTIONS='-B' '/home/suigintou/lib' '-L/home/suigintou/lib' '-I' '/home/suigintou/include' '-I' '/home/suigintou/usr/include' '-std=gnu99' '-I.' '-I../lib' '-I../lib' '-pipe' '-U_FORTIFY_SOURCE' '-fno-stack-protector' '-Os' '-msse' '-msse2' '-msse3' '-msse4' '-msse4.1' '-msse4.2' '-mssse3' '-mtune=core2' '-fomit-frame-pointer' '-funroll-loops' '-floop-interchange' '-floop-strip-mine' '-floop-block' '-floop-parallelize-all' '-ftree-parallelize-loops=4' '-MT' 'head.o' '-MD' '-MP' '-MF' '.deps/head.Tpo' '-c' '-o' 'head.o' '-save-temps' '-v' '-pthread' /usr/bin/../libexec/gcc/x86_64-pc-linux-gnu/4.6.0/cc1 -fpreprocessed head.i -march=core2 -mcx16 -msahf -mpopcnt -msse4.2 -quiet -dumpbase head.c -msse -msse2 -msse3 -msse4 -msse4.1 -msse4.2 -mssse3 -mtune=core2 -auxbase-strip head.o -Os -std=gnu99 -version -fno-stack-protector -fomit-frame-pointer -funroll-loops -floop-interchange -floop-strip-mine -floop-block -floop-parallelize-all -ftree-parallelize-loops=4 -o head.s GNU C (GCC) version 4.6.0 20100824 (experimental) (x86_64-pc-linux-gnu) compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version 3.0.0-p4, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU C (GCC) version 4.6.0 20100824 (experimental) (x86_64-pc-linux-gnu) compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version 3.0.0-p4, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 6fec6b818ac315d511f9303bd7ae32f3 head.c: In function 'string_to_integer': head.c:870:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. and in head.i: http://dpaste.org/RESS/
Please attach head.i here, pastes usually vanish after some time.
Created attachment 21775 [details] Coreutils 8.5 head.c preprocessed into head.i attached head.i for reference
It has been fixed at least since revision 163804.